Ephemeron has the leaves of a lily, but smaller, a stem of the same length, a blue flower, a seed of no value, and a single root of the thickness of a thumb, a sovereign remedy for the teeth if it is cut up into pieces in vinegar, boiled down, and used warm as a mouth wash. And the root also by itself arrests decay if forced into the hollow of a decayed tooth. Root of chelidonia is crushed in vinegar and kept in the mouth, dark hellebore is plugged into decayed teeth, and loose teeth are strengthened by either of these boiled down in vinegar